MPFS_IOMUX0_REG
seq_printf(seq, "reg: %x, pin: %u ", MPFS_IOMUX0_REG, pin);
regmap_read(pctrl->regmap, MPFS_IOMUX0_REG, &val);
regmap_assign_bits(pctrl->regmap, MPFS_IOMUX0_REG, group->mask, group->setting);